HD PENTAX-D FA 15-30mm F2.8 ED SDM WR

This full-frame zoom lens covers a focal-length range from 15mm ultra-wide-angle to 30mm wide-angle. Thanks to its exaggerated perspective typical of an ultra-wide-angle lens and high-resolution imaging power, it captures dynamic, sweeping views of subjects, especially in landscape photography. Treated with the PENTAX-developed HD Coating, it produces well-defined, fine-detailed images with ample light levels even at the edges of the image field, while effectively reducing chromatic aberration, distortion and coma to a minimum. Its large F2.8 maximum aperture also comes in handy for photographing nightscapes and starry skies. The built-in SDM (Supersonic Direct-drive Motor) provides quiet, high-speed autofocus operation.


 

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HD PENTAX-D FA 15-30mm F2.8 ED SDM WR Specifications


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No
مشخصات اصلی
نوع لنز Zoom lens
حداکثر اندازه قالب 35mm FF
فاصله کانونی 15–30 mm
سیستم تثبیت تصویر No
نوع سوار کننده لنز Pentax KAF3
روزنه
حداکثر دیافراگم F2.8
حداقل دیافراگم F22
حلقه تنظیم دیافراگم No
تعداد تیغه های دیافراگم 9
نورشناسی
تعداد المان ها 18
تعداد گروه ها 13
المان ها/ پوشش های ویژه Three ED and aspherical elements + HD and SP coatings
کانون
حداقل فاصله فوکوس 0.28 m (11.02)
حداکثر بزرگ نمایی 0.2×
فوکوس اتوماتیک Yes
نوع موتور Ultrasonic
فوکوس دستی دائمی Yes
نوع فوکوس Internal
مقیاس فاصله Yes
فیزیکی
وزن 1040 g (2.29 lb)
قطر 99 mm (3.9)
ارتفاع 144 mm (5.67)
مقاوم سازی شده Yes
رنگ Black
درپوش لنز Yes
سه پایه No

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